<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // var arr = [];
        // for(var i=0;i<2;i++)
        // {
        //     //arr[0] = 1;
        //     arr[i] = function(){console.log(i);};
        // }
        // console.log(i);
        // //arr = [function(){console.log(i);},function(){console.log(i);}];
        // arr[0]();
        // arr[1]();


        var arr = [];
        for(let i=0;i<2;i++)
        {
            //arr[0] = 1;
            arr[i] = function(){console.log(i);};
        }
        //console.log(i);
        //arr = [function(){console.log(i);},function(){console.log(i);}];
        arr[0]();
        arr[1]();
    </script>
</body>
</html>